Comment 26 for bug 1668129

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Anne-Marie (eg-ubuntu) wrote :

FYI: RHEL 7.3 does not suffer from this problem and appears to have ballooning enabled:

$ grep CONFIG_XEN_BALLOON /boot/config-3.10.0-514.el7.x86_64
CONFIG_XEN_BALLOON=y
# CONFIG_XEN_BALLOON_MEMORY_HOTPLUG is not set

$ uname -a
Linux cassandra-a-2 3.10.0-514.el7.x86_64 #1 SMP Wed Oct 19 11:24:13 EDT 2016 x86_64 x86_64 x86_64 GNU/Linux

$ cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.3 (Maipo)